GB2204991B - Vacuum electronic devices - Google Patents

Vacuum electronic devices

Info

Publication number
GB2204991B
GB2204991B GB8711652A GB8711652A GB2204991B GB 2204991 B GB2204991 B GB 2204991B GB 8711652 A GB8711652 A GB 8711652A GB 8711652 A GB8711652 A GB 8711652A GB 2204991 B GB2204991 B GB 2204991B
Authority
GB
United Kingdom
Prior art keywords
electronic devices
vacuum electronic
vacuum
devices
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB8711652A
Other versions
GB8711652D0 (en
GB2204991A (en
Inventor
Neil Alexander Cade
Rosemary Ann Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8711652A priority Critical patent/GB2204991B/en
Publication of GB8711652D0 publication Critical patent/GB8711652D0/en
Publication of GB2204991A publication Critical patent/GB2204991A/en
Application granted granted Critical
Publication of GB2204991B publication Critical patent/GB2204991B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
GB8711652A 1987-05-18 1987-05-18 Vacuum electronic devices Expired - Fee Related GB2204991B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8711652A GB2204991B (en) 1987-05-18 1987-05-18 Vacuum electronic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8711652A GB2204991B (en) 1987-05-18 1987-05-18 Vacuum electronic devices

Publications (3)

Publication Number Publication Date
GB8711652D0 GB8711652D0 (en) 1987-06-24
GB2204991A GB2204991A (en) 1988-11-23
GB2204991B true GB2204991B (en) 1991-10-02

Family

ID=10617496

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8711652A Expired - Fee Related GB2204991B (en) 1987-05-18 1987-05-18 Vacuum electronic devices

Country Status (1)

Country Link
GB (1) GB2204991B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956574A (en) * 1989-08-08 1990-09-11 Motorola, Inc. Switched anode field emission device
US5019003A (en) * 1989-09-29 1991-05-28 Motorola, Inc. Field emission device having preformed emitters
EP0500543A4 (en) * 1989-09-29 1992-11-19 Motorola, Inc. Flat panel display using field emission devices
US5055077A (en) * 1989-11-22 1991-10-08 Motorola, Inc. Cold cathode field emission device having an electrode in an encapsulating layer
US5079476A (en) * 1990-02-09 1992-01-07 Motorola, Inc. Encapsulated field emission device
US5030921A (en) * 1990-02-09 1991-07-09 Motorola, Inc. Cascaded cold cathode field emission devices
US5007873A (en) * 1990-02-09 1991-04-16 Motorola, Inc. Non-planar field emission device having an emitter formed with a substantially normal vapor deposition process
US5142184B1 (en) * 1990-02-09 1995-11-21 Motorola Inc Cold cathode field emission device with integral emitter ballasting
US5148078A (en) * 1990-08-29 1992-09-15 Motorola, Inc. Field emission device employing a concentric post
US5461280A (en) * 1990-08-29 1995-10-24 Motorola Field emission device employing photon-enhanced electron emission
US5157309A (en) * 1990-09-13 1992-10-20 Motorola Inc. Cold-cathode field emission device employing a current source means
US5136764A (en) * 1990-09-27 1992-08-11 Motorola, Inc. Method for forming a field emission device
US5281890A (en) * 1990-10-30 1994-01-25 Motorola, Inc. Field emission device having a central anode
US5173635A (en) * 1990-11-30 1992-12-22 Motorola, Inc. Bi-directional field emission device
US5173634A (en) * 1990-11-30 1992-12-22 Motorola, Inc. Current regulated field-emission device
US5432407A (en) * 1990-12-26 1995-07-11 Motorola, Inc. Field emission device as charge transport switch for energy storage network
US5212426A (en) * 1991-01-24 1993-05-18 Motorola, Inc. Integrally controlled field emission flat display device
US5075595A (en) * 1991-01-24 1991-12-24 Motorola, Inc. Field emission device with vertically integrated active control
US5218273A (en) * 1991-01-25 1993-06-08 Motorola, Inc. Multi-function field emission device
US5140219A (en) * 1991-02-28 1992-08-18 Motorola, Inc. Field emission display device employing an integral planar field emission control device
DE69607356T2 (en) * 1995-08-04 2000-12-07 Printable Field Emitters Ltd., Hartlepool FIELD ELECTRON EMITTERING MATERIALS AND DEVICES
US5810980A (en) * 1996-11-06 1998-09-22 Borealis Technical Limited Low work-function electrode
US6356014B2 (en) 1997-03-27 2002-03-12 Candescent Technologies Corporation Electron emitters coated with carbon containing layer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779758A (en) * 1954-01-11 1957-07-24 Edison Swan Electric Co Ltd Improvements relating to electron discharge devices
GB1466697A (en) * 1973-01-30 1977-03-09 Commissariat Energie Atomique Electron-emissive component
GB1517649A (en) * 1975-06-27 1978-07-12 Hitachi Ltd Field emission cathode and method of preparation thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779758A (en) * 1954-01-11 1957-07-24 Edison Swan Electric Co Ltd Improvements relating to electron discharge devices
GB1466697A (en) * 1973-01-30 1977-03-09 Commissariat Energie Atomique Electron-emissive component
GB1517649A (en) * 1975-06-27 1978-07-12 Hitachi Ltd Field emission cathode and method of preparation thereof

Also Published As

Publication number Publication date
GB8711652D0 (en) 1987-06-24
GB2204991A (en) 1988-11-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930518